9873215 has 16 divisors (see below), whose sum is σ = 13076640. Its totient is φ = 7096320.

The previous prime is 9873181. The next prime is 9873223. The reversal of 9873215 is 5123789.

It is not a de Polignac number, because 9873215 - 2⁶ = 9873151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3887 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (817290).

Almost surely, 2^9873215 is an apocalyptic number.

9873215 is a deficient number, since it is larger than the sum of its proper divisors (3203425).

9873215 is a wasteful number, since it uses less digits than its factorization.

9873215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its digits is 15120, while the sum is 35.

The square root of 9873215 is about 3142.1672457080. The cubic root of 9873215 is about 214.5290937366.

The spelling of 9873215 in words is "nine million, eight hundred seventy-three thousand, two hundred fifteen".